The fact that our new MLS system has done away with the abbreviations is a tremendous boost to both us as Realtors and the general public as well. I've been testing it out since Monday when we were given our access codes and it is going to help us and the public in ways Paragon (our old system) couldn't. Not only are the abbreviations gone, but now when a Realtor sends you listing to look at, you can view them in your own web page generated by the MLS and make comments, cross homes of the list (interested, not interested, or maybe), and update your contact info. I do believe today is the day that our San Antonio Board Of Realtors made a huge step in the right direction for us and consumers.
As for the acronyms, I see someone has already given them to you.
Good luck with your home search!